Home / 30,443.08-45,674.38-12,927.64

Finding the Fourth Proportional to 30,443.08, 45,674.38 and 12,927.64

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Solution

The fourth proportional to 30,443.08, 45,674.38 and 12,927.64 is: 19,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.08 : 45,674.38 = 12,927.64 : x
  2. Step 2: Convert to fraction form
    30,443.08/45,674.38 = 12,927.64/x
  3. Step 3: Cross multiply
    30,443.08x = 45,674.38 × 12,927.64
  4. Step 4: Simplify right side
    30,443.08x = 590,461,941.86
  5. Step 5: Solve for x
    x = 590,461,941.86/30,443.08
  6. Step 6: Final answer
    x = 19,395.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.